auto import from //depot/cupcake/@135843

1 files changed, 42 insertions, 0 deletions

diff --git a/w_gamma_r.c b/w_gamma_r.c
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--- /dev/null
+++ b/w_gamma_r.c
@@ -0,0 +1,42 @@
+
+/* @(#)w_gamma_r.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+/* 
+ * wrapper double ieee_gamma_r(double x, int *signgamp)
+ */
+
+#include "fdlibm.h"
+
+
+#ifdef __STDC__
+	double ieee_gamma_r(double x, int *signgamp) /* wrapper lgamma_r */
+#else
+	double ieee_gamma_r(x,signgamp)              /* wrapper lgamma_r */
+        double x; int *signgamp;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_gamma_r(x,signgamp);
+#else
+        double y;
+        y = __ieee754_gamma_r(x,signgamp);
+        if(_LIB_VERSION == _IEEE_) return y;
+        if(!ieee_finite(y)&&ieee_finite(x)) {
+            if(ieee_floor(x)==x&&x<=0.0)
+                return __kernel_standard(x,x,41); /* gamma pole */
+            else
+                return __kernel_standard(x,x,40); /* gamma overflow */
+        } else
+            return y;
+#endif
+}